add new feature to 'renderform' function, user could add HTML id and class now

This commit is contained in:
WithGJR 2014-10-20 17:49:16 +08:00
parent efc14a1e8d
commit 1b3e7de463
1 changed files with 8 additions and 6 deletions

View File

@ -368,23 +368,23 @@ func RenderForm(obj interface{}) template.HTML {
fieldT := objT.Field(i)
label, name, fType, ignored := parseFormTag(fieldT)
label, name, fType, id, class, ignored := parseFormTag(fieldT)
if ignored {
continue
}
raw = append(raw, renderFormField(label, name, fType, fieldV.Interface()))
raw = append(raw, renderFormField(label, name, fType, fieldV.Interface(), id, class))
}
return template.HTML(strings.Join(raw, "</br>"))
}
// renderFormField returns a string containing HTML of a single form field.
func renderFormField(label, name, fType string, value interface{}) string {
func renderFormField(label, name, fType string, value interface{}, id string, class string) string {
if isValidForInput(fType) {
return fmt.Sprintf(`%v<input name="%v" type="%v" value="%v">`, label, name, fType, value)
return fmt.Sprintf(`%v<input id="%v" class="%v" name="%v" type="%v" value="%v">`, label, id, class, name, fType, value)
}
return fmt.Sprintf(`%v<%v name="%v">%v</%v>`, label, fType, name, value, fType)
return fmt.Sprintf(`%v<%v id="%v" class="%v" name="%v">%v</%v>`, label, fType, id, class, name, value, fType)
}
// isValidForInput checks if fType is a valid value for the `type` property of an HTML input element.
@ -400,12 +400,14 @@ func isValidForInput(fType string) bool {
// parseFormTag takes the stuct-tag of a StructField and parses the `form` value.
// returned are the form label, name-property, type and wether the field should be ignored.
func parseFormTag(fieldT reflect.StructField) (label, name, fType string, ignored bool) {
func parseFormTag(fieldT reflect.StructField) (label, name, fType string, id string, class string, ignored bool) {
tags := strings.Split(fieldT.Tag.Get("form"), ",")
label = fieldT.Name + ": "
name = fieldT.Name
fType = "text"
ignored = false
id = fieldT.Tag.Get("id")
class = fieldT.Tag.Get("class")
switch len(tags) {
case 1: